13449843 has 24 divisors (see below), whose sum is σ = 21415680. Its totient is φ = 8066160.

The previous prime is 13449827. The next prime is 13449851. The reversal of 13449843 is 34894431.

It is not a de Polignac number, because 13449843 - 2⁴ = 13449827 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13449798 and 13449807.

It is not an unprimeable number, because it can be changed into a prime (13449883) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9538 + ... + 10856.

It is an arithmetic number, because the mean of its divisors is an integer number (892320).

Almost surely, 2^13449843 is an apocalyptic number.

13449843 is a deficient number, since it is larger than the sum of its proper divisors (7965837).

13449843 is a wasteful number, since it uses less digits than its factorization.

13449843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439 (or 1436 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 13449843 is about 3667.4027594471. The cubic root of 13449843 is about 237.8149056373.

The spelling of 13449843 in words is "thirteen million, four hundred forty-nine thousand, eight hundred forty-three".